Gubelin is one of Europe's leading retailers of fine jewelry and high grade timepieces, and has often colloborated with the finest Swiss watchmakers (including Patek Philippe and Audemars Piguet) in the production of watches under their name. Here is a massive, stunning, and beautiful 1960's vintage automatic: GUBELIN (Large 18k "Ipso-Day" Rectangular Automatic w/Claw Lugs) - Near-mint 30x45mm large solid 18k gold snapback rectangular case with claw lugs, date advance push button at 4:00, signed 25 jewel calendar automatic movement (adjusted to two positions), near-mint signed silver satin dial with raised gold markers, raised gold Gubelin "hourglass" logo at 12:00, gold dauphine hands and sweep seconds, quickset date aperture at 6:00, domed and curved cyclops crystal with date magnifying prism, generic black leather strap with buckle. The signed solid 18k gold case on this piece is massive at 30x45mm and 10mm thick! (not including crown or crystal). The case features large claw lugs and a date advance push button at 4:00, and is in superb condition. The signed 25 jewel calendar automatic movement is running fine, keeping excellent time, and the calendar function at 6:00 works as designed. The silver satin dial is near-mint in condition, and features raised gold markers, raised gold Gubelin "hourglass" logo at 12:00, and date aperture at 6:00. The watch is finished on a generic 18mm strap and buckle. MASSIVE SOLID 18k GOLD VINTAGE GUBELIN AUTOMATIC IN SUPERB CONDITION! Sell for $2395 plus shipping ($30 US Delivery or $60 International via Global Express).